Identify Camco RV Roof Vent Covers by Style and MPN
An exterior vent-cover dome may look like a replacement roof lid, but it mounts over an existing vent instead. On Camco products, the Aero-Flo and standard families have different ventilation openings and cleaning access. Use the original part number and the shape of the cover to identify the right replacement.
Aero-Flo or standard exterior cover?
Aero-Flo roof-vent cover
Camco 40421 is white and 40711 is black. The design has ventilation openings on multiple sides and a top that swings open for access during cleaning. Camco lists the installed size of 40421 as 22½ by 20 by 9 inches.
Standard vent cover
Camco 40431 is white, 40443 is black, and 40453 has a smoke finish. These use a single louvered ventilation side with removable louvers for cleaning. The covers mount over existing nominal 14-by-14-inch roof vents.
Camco 14-inch roof-vent cover reference
| Camco MPN | Family | Finish | Venting | Cleaning access |
|---|---|---|---|---|
| 40421 | Aero-Flo | White | Multi-sided vent openings | Swing-open top |
| 40711 | Aero-Flo | Black | Multi-sided vent openings | Swing-open top |
| 40431 | Standard | White | One louvered side | Removable louvers |
| 40443 | Standard | Black | One louvered side | Removable louvers |
| 40453 | Standard | Smoke | One louvered side | Removable louvers |
All covers in this comparison mount over an existing roof vent. Fit must also account for the vent lid, fan clearance and surrounding rooftop equipment.
Identification and inspection checklist
- Look for the Camco part number and distinguish a swing-open Aero-Flo top from the single-louvered standard model.
- Examine the shell, louver panel and mounting brackets for cracks, UV damage and missing hardware.
- Measure the existing vent opening and verify clearances around the installed fan or opening lid.
- Do not assume all exterior covers fit high-powered fans or all roof installations just because the vent opening is 14 inches square.
- Review the exact item listing for its condition and included mounting parts. Viewing and pickup in Kelowna are by appointment for eligible used items.
Find the matching Camco roof-vent cover
Open the exact manufacturer part number for its product photos, specifications and current availability.
Interior roof-vent insulation
For reducing heat transfer through an existing ceiling opening, see our Camco interior vent insulator and skylight insert guide. These interior accessories do not replace exterior covers.
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